Frederic Wilhelm C. J. Sjöström (born 8 January 1987), known professionally as Freddie Stroma, is a British-French actor. He is known for his work in roles including Cormac McLaggen in the Harry Potter film series, Adam Cromwell on the Lifetime series Unreal, Brit Vayner in 13 Hours: The Secret Soldiers of Benghazi (2016), H. G. Wells in the ABC series Time After Time, and Adrian Chase / Vigilante in the DC Extended Universe series Peacemaker.

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